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GP DHRA50150 - User Manual

GP DHRA50150
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General Pump
1174 Northland Drive • Mendota Heights, MN 55120
Phone: 651.686.2199 • Fax: 800.535.1745
www.generalpump.com • email: sales@gpcompanies.com
Ref 300946 Rev L
04-21
WARNING!
Exposure of skin directly to
pressurized air or fluids could
result in severe bodily injury!
1. Make sure incoming pressure does not exceed
the rated pressure.
2. Use proper eye protection when assembling and
using the hose reel.
3. Assemble the hose reel on a clean workbench
free of debris and moisture.
4. Use soap and water when checking for air leaks.
5. Keep children away from work area.
SAFETY PRECAUTIONS
DHRA50150
DHRA50300
DHRA50450
Friction Brake
Direct hand-crank rewind
with locking mechanism
Solid steel construction
Durable powdercoat finish
Full flow swivel Stainless swivel
INDUSTRIAL
Hose
Reels
From General Pump
Operator’s manual
Ref 300946 Rev. L
04-21
DHRA50150
ASSEMBLY AND OPERATING INSTRUCTIONS
General Pump
is a member of
the Interpump Group
1. Connect the handle to either end of the axle which doubles as a fluid
path, use a suitable thread sealant and tighten accordingly.
2. Connect the swivel on the opposite end of the axle as the handle, use a
suitable thread sealant and tighten accordingly.
* See parts list image for orientation of swivel*
3. Attach outlet hose to the outlet fitting located in the hub, use a suitable
thread sealant and tighten accordingly.
4. Attach supply hose to the hose reel swivel, use a suitable thread
sealant and tighten accordingly.
5. Use 1/2” or 13 mm bolts when securing the hose reel to ceiling or wall.
6. The hose reel is ready for operation.
NOTE: THREAD SEALANT NOT INCLUDED
Warning. Only trained and qualied personnel should install or
replace the device.
Warning. De-pressurize prior to servicing.
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Summary

Assembly and Operating Instructions

Safety Precautions

Specifications

Parts Lists

Lock Pin Repair Kit

Lists parts for the lock pin repair kit, including brackets, pins, springs, and washers.

Brake Repair Kit

Lists parts for the brake repair kit, including brake assemblies, bolts, and knobs.

Summary

Assembly and Operating Instructions

Safety Precautions

Specifications

Parts Lists

Lock Pin Repair Kit

Lists parts for the lock pin repair kit, including brackets, pins, springs, and washers.

Brake Repair Kit

Lists parts for the brake repair kit, including brake assemblies, bolts, and knobs.

Overview

This document describes the Industrial Hose Reels from General Pump, specifically models DHRA50150, DHRA50300, and DHRA50450. These devices are designed for industrial applications, providing a robust solution for managing hoses.

Function Description:

The primary function of these devices is to store and dispense hoses in an organized manner, preventing tangles and damage, and facilitating easy deployment and retraction. They are designed to handle pressurized air or fluids, acting as a fluid path through the axle and swivel mechanism. The direct hand-crank rewind with a locking mechanism allows for manual retraction and secure storage of the hose. A friction brake is integrated to control the unspooling of the hose and prevent unwanted movement.

Important Technical Specifications:

The hose reels are constructed from solid steel, ensuring durability and longevity in demanding industrial environments. They feature a durable powdercoat finish for added protection against corrosion and wear. A full flow stainless swivel is incorporated into the design, which is crucial for maintaining fluid flow without restriction and resisting corrosion from various fluids.

The models differ primarily in their hose capacity:

  • DHRA50150:
    • 3/8" Hose Capacity: 150 Ft.
    • 5/8" Garden Hose Capacity: 125 Ft.
    • 3/4" Garden Hose Capacity: 100 Ft.
  • DHRA50300:
    • 3/8" Hose Capacity: 300 Ft.
    • 5/8" Garden Hose Capacity: 225 Ft.
    • 3/4" Garden Hose Capacity: 175 Ft.
  • DHRA50450:
    • 3/8" Hose Capacity: 450 Ft.
    • 5/8" Garden Hose Capacity: 335 Ft.
    • 3/4" Garden Hose Capacity: 250 Ft.

All models share the following specifications:

  • Swivel Pressure Rating: 5,000 PSI, indicating their capability to handle high-pressure applications.
  • Inlet: 1/2" NPT-F (National Pipe Taper - Female).
  • Outlet: 1/2" NPT-F.
  • Maximum Temperature Rating: 250°F, allowing for use with hot fluids or in high-temperature environments.

Dimensions (inches/mm) vary by model, primarily in depth (D), height (E), and width (G), reflecting the different hose capacities:

  • DHRA50150: A: 17.7/450, B: 15.2/387, C: 18.6/473.6, D: 12.4/315, E: 10.4/264, F: 7.7/196, G: 22.0/558
  • DHRA50300: A: 17.7/450, B: 15.2/387, C: 18.6/473.6, D: 17.5/445, E: 15.5/394, F: 12.8/326, G: 27.0/688
  • DHRA50450: A: 17.7/450, B: 15.2/387, C: 18.6/473.6, D: 23.0/585, E: 21.2/539, F: 18.3/466, G: 32.6/829

Usage Features:

The assembly process is straightforward, requiring the connection of the handle to the axle, the swivel to the opposite end of the axle, and then the outlet and supply hoses. Thread sealant is recommended for all connections to ensure leak-free operation, though it is not included with the device. The hose reel can be secured to a ceiling or wall using 1/2" or 13 mm bolts, offering flexible mounting options.

Key operational features include:

  • Direct Hand-Crank Rewind: Allows for manual and controlled retraction of the hose.
  • Locking Mechanism: Secures the hose in place once retracted or at a desired length during use.
  • Friction Brake: Provides control over the hose payout and prevents free-wheeling.
  • Full Flow Swivel: Minimizes pressure drop and allows for continuous fluid flow even when the reel is rotating.

Safety precautions emphasize the importance of not exceeding the rated pressure, using proper eye protection during assembly and use, and ensuring the work area is clean and free of debris. The manual also warns against direct skin exposure to pressurized air or fluids due to the risk of severe bodily injury.

Maintenance Features:

The device is designed for maintainability, with repair kits available for specific components:

  • Lock Pin Repair Kit (2103245): Includes a lock bracket, lock pin, lock pin spring, M8 SS washer, and a cotter pin (2x20). This kit facilitates the repair or replacement of the locking mechanism, which is crucial for securing the hose.
  • Brake Repair Kit (2103139): Includes a brake component, M8 bolt, brake knob, and an M8 SS washer. This kit allows for the maintenance or replacement of the friction brake, ensuring proper control over hose deployment and retraction.

The parts list provides a comprehensive breakdown of all components, including the hub and flange assemblies, frame, pillow blocks, crank assembly, lock pin assembly, brake bracket, brake, various bolts, washers, nuts, and fittings. This detailed list is essential for identifying and ordering replacement parts, facilitating repairs and extending the lifespan of the hose reel.

The manual advises that only trained and qualified personnel should install or replace the device, and that the device should be de-pressurized prior to any servicing. These guidelines are critical for ensuring both the safety of personnel and the proper functioning of the equipment. Regular checks for air leaks using soap and water are also recommended as a maintenance practice.

GP DHRA50150 Specifications

General IconGeneral
BrandGP
ModelDHRA50150
CategoryTools
LanguageEnglish